While some contact lenses provide UV protection, they don't cover your whole eye, so you still need sunglasses. Look for sunglasses that protect you from 99 to 100 percent of both UVA and UVB light. This includes those labeled as "UV 400," which blocks all light rays with wavelengths up to 400 nanometers.
Answer: Hope this helps: the 11 organ systems of the body are the integumentary, muscular, skeletal, nervous, circulatory, lymphatic, respiratory, endocrine, urinary/excretory, reproductive and digestive.
Peer pressure. This is especially true with younger people; however, our peers can influence us to such a degree because we want to fit in and we don’t want to disappoint our friends.
Socializing.
Community.
Socioeconomic status.
Stress.